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Synthesis of Benzofurans and Indoles from Terminal Alkynes and Iodoaromatics Catalyzed by Recyclable Palladium Nanoparticles Immobilized on Siliceous Mesocellular Foam
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Swedish University of Agricultural Sciences, Sweden.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2017 (English)In: Chemistry - A European Journal, ISSN 0947-6539, E-ISSN 1521-3765, Vol. 23, no 52, p. 12886-12891Article in journal (Refereed) Published
Abstract [en]

Herein, we report on the utilization of a heterogeneous catalyst, consisting of Pd nanoparticles supported on a siliceous mesocellular foam (Pd-0-AmP-MCF), for the synthesis of heterocycles. Reaction of o-iodophenols and protected o-iodoanilines with acetylenes in the presence of a Pd nanocatalyst produced 2-substituted benzofurans and indoles, respectively. In general, the catalytic protocol afforded the desired products in good to excellent yields under mild reaction conditions without the addition of ligands. Moreover, the structure of the reported Pd nanocatalyst was further elucidated with extended X-ray absorption fine-structure spectroscopy, and it was proven that the catalyst could be recycled multiple times without significant loss of activity.

Place, publisher, year, edition, pages
2017. Vol. 23, no 52, p. 12886-12891
Keywords [en]
benzofurans, extended x-ray absorption fine structure, heterogeneous catalysis, indoles, palladium
National Category
Chemical Sciences
Research subject
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-148090DOI: 10.1002/chem.201702614ISI: 000411033800029PubMedID: 28736879OAI: oai:DiVA.org:su-148090DiVA, id: diva2:1150873
Funder
Swedish Research CouncilBerzelii Centre EXSELENTEU, European Research CouncilKnut and Alice Wallenberg FoundationAvailable from: 2017-10-20 Created: 2017-10-20 Last updated: 2019-03-29Bibliographically approved
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